/**
* Create a new Date header using $timestamp (UNIX time).
* @param string $name
* @param int $timestamp
* @return Swift_Mime_Header
*/
public function createDateHeader($name, $timestamp = null)
{
$header = new Swift_Mime_Headers_DateHeader($name);
if (isset($timestamp)) {
$header->setFieldBodyModel($timestamp);
}
$this->_setHeaderCharset($header);
return $header;
}
/**
* Create a new Date header using $dateTime.
*
* @param string $name
* @param DateTimeInterface|null $dateTime
*
* @return Swift_Mime_Header
*/
public function createDateHeader($name, DateTimeInterface $dateTime = null)
{
$header = new Swift_Mime_Headers_DateHeader($name);
if (isset($dateTime)) {
$header->setFieldBodyModel($dateTime);
}
$this->setHeaderCharset($header);
return $header;
}